Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 167,704 pages of information and 247,104 images on early companies, their products and the people who designed and built them.
Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 147,919 pages of information and 233,587 images on early companies, their products and the people who designed and built them.
Perhaps successor to Voelker Lighting Corporation
1914 Hopkin and Williams, the Volker Lighting Co., and Howards and Sons Ltd jointly established Thorium Ltd to make thorium nitrate for gas mantles.
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